DELTA 1 DEB, 42646

Orbit data source: Space-Track

DELTA 1 DEB, 42646 is space debris in SSO originally from a launch on Thu, 12 Jun 1975 UTC launched from the Air Force Western Test Range (AFWTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.

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Iframe URL

https://www.satcat.com/sats-embedded/42646?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

42646, 1975-052MF

Orbit

SSO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1975-06-12 (50 years ago)

Launch vehicle

Unknown

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.1 m

Radar Cross Section

Small (<0.1 m²)

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Last TLE update: 5 days ago

TLE from 5 days ago

0 DELTA 1 DEB
1 42646U 75052MF  25333.04780586  .00000160  00000-0  39605-3 0  9998
2 42646 100.0090 248.8453 0055106 336.2995  23.5594 13.36053576540345

Epoch: 2025-11-29T01:08Z

TLE epoch observation values (Epoch: 2025-11-29T01:08:50.426Z)

Latitude

0°

Longitude

163.45358°

Altitude

1,088.906 km

Speed

7.326 km/s

True Right ascension

16h 35m 22s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

13:53:26

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,162.679 km

Perigee altitude

1,080.025 km

Semi-major axis

7,499.489 km

Eccentricity

0.00551

Inclination

100.009°

RAAN

248.8453°

Arg. of periapsis

336.2995°

True anomaly

23.8134°

Mean anomaly

23.5594°

Eccentric anomaly

23.68624°

Mean motion

3.34192 °/min

Orbital period

107.72 mins

BSTAR

0.00039605

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Other satellites on launch #52 in the year 1975 (1975-06-12 UTC)

DELTA 1 DEB, 21474 (Decayed)

DELTA 1 DEB, 21436 (Decayed)

DELTA 1 DEB, 21597 (Decayed)

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DELTA 1 DEB Visibility forecast

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Span	Click to sort rows by Start time (UTC) header in descending order	Start Az.	Max El. time (UTC)	Max El. Az.	Max El.	End time (UTC)	End Az.
8 mins	2025-12-03 16:44:58.089Z	94.764° ESE	2025-12-03 16:48:58.089Z	56.749° ENE	17.45°	2025-12-03 16:52:58.089Z	18.818° NNE
12 mins	2025-12-03 18:28:58.089Z	166.787° S	2025-12-03 18:33:58.089Z	203.337° SW	44.53°	2025-12-03 18:40:58.089Z	343.439° N
5 mins	2025-12-04 05:49:58.089Z	70.59° E	2025-12-04 05:51:58.089Z	89.542° E	14.861°	2025-12-04 05:54:58.089Z	117.094° SE
12 mins	2025-12-04 07:32:58.089Z	14.475° NNE	2025-12-04 07:38:58.089Z	270.388° WNW	44.971°	2025-12-04 07:44:58.089Z	198.477° SSW
6 mins	2025-12-04 09:21:58.089Z	325.961° NNW	2025-12-04 09:23:58.089Z	306.34° NW	16.365°	2025-12-04 09:27:58.089Z	269.827° W

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out DELTA 1 DEB, 42646 on other resources

View DELTA 1 DEB, 42646 on Heavens-Above

View DELTA 1 DEB, 42646 on Keep Track

View DELTA 1 DEB, 42646 on Celestrak

View DELTA 1 DEB, 42646 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

DELTA 1 DEB, 42646

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 5 days ago

TLE from 5 days ago

TLE epoch observation values (Epoch: 2025-11-29T01:08:50.426Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #52 in the year 1975 (1975-06-12 UTC)

DELTA 1 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 DEB, 42646 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 5 days ago